Perhaps you should try some spelling variations:
une communication » d'une communication, ante communication, de communication
formulation over » formation over, formulation model, formulation where
du developpement » de developpement, le developpement, et developpement
technologies 4 » technologies _
4 formulation » _ formulation, 3 formulation, 2 formulation
des afrique » en afrique, de l'afrique
over loses » cover loss, over los, other losses
loses une » losses under

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies 4 formulation over loses une communication _ du developpement des afrique.*.